Don’t bother Tom, he is ______ with the experiment on water molecules in the lab.
一Cathy can’t come for dinner.She’s leaving for London tonight.一_______.I hope I can talk to her soon.
—Are there any CDs of Adele left in the store?一There are only a few,___________.
Millions of people around the world suffer from a painful addiction to biting their nails,which can be harder________than smoking cigarettes.
_______most kids still love burgers,chicken wings and pizza,there are a lots of other foods that are to kids' taste.
Ancient China was a country________culture influenced other countries in Asia for centuries.